UL-BR-18 › Historical Revision Information
Fire Exposure Tests of Hollow Metal Fire Doors.

UL-BR-18 - 1940 EDITION - CANCELLED
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Fire Exposure Tests of Hollow Metal Fire Doors.


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Document Number

UL-BR-18

Revision Level

1940 EDITION

Status

Cancelled

Publication Date

Jan. 1, 1940

Page Count

30 pages